package com.hellogv.slinput;
import java.io.DataOutputStream;
import java.io.IOException;
import android.util.Log;
/**
 * 调用su执行input命令
 * 全局只调用一次init()和exit(),多次调用run()。
 * @author hellogv
 *
 */
public class RootCommand {
 private String TAG="RootCommand";
 private Process process = null;
 private DataOutputStream os = null;
 public void init() {
 try {
  process = Runtime.getRuntime().exec("su");
  os = new DataOutputStream(process.getOutputStream());
 } catch (IOException e) {
  Log.e(TAG, getExceptionMessage(e));
 }
 }
 /**
 * 模仿shell来执行命令，必须先root再使用
 * 
 * @param command
 * @return
 */
 public boolean run(String command) {
 try {
  os.writeBytes(command + "\n");
  os.flush();
 } catch (Exception e) {
  Log.e(TAG, getExceptionMessage(e));
  return false;
 }
 return true;
 }
 /**
 * 模仿shell来执行命令，必须先root再使用
 * 
 * @param command
 * @return
 */
 public void release() {
 try {
  os.writeBytes("exit\n");
  os.flush();
  process.waitFor();
 } catch (Exception e) {
  Log.e(TAG, getExceptionMessage(e));
 } finally {
  try {
  if (os != null) {
   os.close();
  }
  process.destroy();
  } catch (Exception e) {
  }
 }
 }
 private static String getExceptionMessage(Exception ex){
 String result="";
 StackTraceElement[] stes = ex.getStackTrace();
 for(int i=0;i<stes.length;i++){
  result=result+stes[i].getClassName() 
  + "." + stes[i].getMethodName() 
  + " " + stes[i].getLineNumber() +"line"
  +"\r\n";
 }
 return result;
 }
}

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
rootCommand.init();
//模拟按下Home键
btnTestKey = (Button) this.findViewById(R.id.btnTestKey);
btnTestKey.setOnClickListener(new OnClickListener(){

 @Override
 public void onClick(View v) {
 //命令格式：input keyevent keycode
 rootCommand.run("/system/bin/input keyevent "+KeyEvent.KEYCODE_HOME);
 }
});
//模拟滑动触摸屏
btnTestSwipe= (Button) this.findViewById(R.id.btnTestSwipe);
btnTestSwipe.setOnClickListener(new OnClickListener(){
 @Override
 public void onClick(View v) {
 int x2 = MainActivity.this.getWindow().getDecorView().getWidth() - 10;
 //先去到桌面
 rootCommand.run("/system/bin/input keyevent "+KeyEvent.KEYCODE_HOME);
 //滑动桌面，命令格式：input swipe x1 y1 x2 y2
 for(int i=0;i<4;i++){
  rootCommand.run("/system/bin/input swipe 10 300 "+x2+" 400");
  rootCommand.run("/system/bin/input swipe "+x2+" 300 10 400");
 }
 }
});
//模拟点击触摸屏
btnTestTap= (Button) this.findViewById(R.id.btnTestTap);
btnTestTap.setOnClickListener( new OnClickListener(){
 @Override
 public void onClick(View v) {
  int[] location = new int[2];
  btnTestSwipe.getLocationOnScreen(location);
  int x = location[0]+btnTestSwipe.getWidth()/2;
  int y = location[1]+btnTestSwipe.getHeight()/2;
 //模拟点击btnTestTap
  rootCommand.run("/system/bin/input tap "+x+" "+y);
 }
});
//退出程序
btnExit = (Button) this.findViewById(R.id.btnExit);
btnExit.setOnClickListener( new OnClickListener(){
 @Override
 public void onClick(View v) {
 rootCommand.release();
 MainActivity.this.finish();
 }
});
//判断是否root过，没root过不可用
if(RootTools.isRootAvailable()==false){
 Toast.makeText(this, "本程序需要使用ROOT权限。", Toast.LENGTH_SHORT).show();
 this.finish();
}
}